Import 'regex' package vesion 1.3.6
* Add OWNERS
* No Android.bp yet
Bug: 152884384
Test: make
Change-Id: I455caf7833b6c437c1c133bc7b2f47b83da9cbce
diff --git a/tests/api.rs b/tests/api.rs
new file mode 100644
index 0000000..0d4962c
--- /dev/null
+++ b/tests/api.rs
@@ -0,0 +1,222 @@
+#[test]
+fn empty_regex_empty_match() {
+ let re = regex!("");
+ assert_eq!(vec![(0, 0)], findall!(re, ""));
+}
+
+#[test]
+fn empty_regex_nonempty_match() {
+ let re = regex!("");
+ assert_eq!(vec![(0, 0), (1, 1), (2, 2), (3, 3)], findall!(re, "abc"));
+}
+
+#[test]
+fn one_zero_length_match() {
+ let re = regex!(r"[0-9]*");
+ assert_eq!(vec![(0, 0), (1, 2), (3, 4)], findall!(re, "a1b2"));
+}
+
+#[test]
+fn many_zero_length_match() {
+ let re = regex!(r"[0-9]*");
+ assert_eq!(
+ vec![(0, 0), (1, 2), (3, 3), (4, 4), (5, 6)],
+ findall!(re, "a1bbb2")
+ );
+}
+
+#[test]
+fn many_sequential_zero_length_match() {
+ let re = regex!(r"[0-9]?");
+ assert_eq!(
+ vec![(0, 0), (1, 2), (2, 3), (4, 5), (6, 6)],
+ findall!(re, "a12b3c")
+ );
+}
+
+#[test]
+fn quoted_bracket_set() {
+ let re = regex!(r"([\x{5b}\x{5d}])");
+ assert_eq!(vec![(0, 1), (1, 2)], findall!(re, "[]"));
+ let re = regex!(r"([\[\]])");
+ assert_eq!(vec![(0, 1), (1, 2)], findall!(re, "[]"));
+}
+
+#[test]
+fn first_range_starts_with_left_bracket() {
+ let re = regex!(r"([\[-z])");
+ assert_eq!(vec![(0, 1), (1, 2)], findall!(re, "[]"));
+}
+
+#[test]
+fn range_ends_with_escape() {
+ let re = regex!(r"([\[-\x{5d}])");
+ assert_eq!(vec![(0, 1), (1, 2)], findall!(re, "[]"));
+}
+
+#[test]
+fn empty_match_find_iter() {
+ let re = regex!(r".*?");
+ assert_eq!(vec![(0, 0), (1, 1), (2, 2), (3, 3)], findall!(re, "abc"));
+}
+
+#[test]
+fn empty_match_captures_iter() {
+ let re = regex!(r".*?");
+ let ms: Vec<_> = re
+ .captures_iter(text!("abc"))
+ .map(|c| c.get(0).unwrap())
+ .map(|m| (m.start(), m.end()))
+ .collect();
+ assert_eq!(ms, vec![(0, 0), (1, 1), (2, 2), (3, 3)]);
+}
+
+#[test]
+fn capture_names() {
+ let re = regex!(r"(.)(?P<a>.)");
+ assert_eq!(3, re.captures_len());
+ assert_eq!((3, Some(3)), re.capture_names().size_hint());
+ assert_eq!(
+ vec![None, None, Some("a")],
+ re.capture_names().collect::<Vec<_>>()
+ );
+}
+
+#[test]
+fn regex_string() {
+ assert_eq!(r"[a-zA-Z0-9]+", regex!(r"[a-zA-Z0-9]+").as_str());
+ assert_eq!(r"[a-zA-Z0-9]+", &format!("{}", regex!(r"[a-zA-Z0-9]+")));
+ assert_eq!(r"[a-zA-Z0-9]+", &format!("{:?}", regex!(r"[a-zA-Z0-9]+")));
+}
+
+#[test]
+fn capture_index() {
+ let re = regex!(r"^(?P<name>.+)$");
+ let cap = re.captures(t!("abc")).unwrap();
+ assert_eq!(&cap[0], t!("abc"));
+ assert_eq!(&cap[1], t!("abc"));
+ assert_eq!(&cap["name"], t!("abc"));
+}
+
+#[test]
+#[should_panic]
+#[cfg_attr(all(target_env = "msvc", target_pointer_width = "32"), ignore)]
+fn capture_index_panic_usize() {
+ let re = regex!(r"^(?P<name>.+)$");
+ let cap = re.captures(t!("abc")).unwrap();
+ let _ = cap[2];
+}
+
+#[test]
+#[should_panic]
+#[cfg_attr(all(target_env = "msvc", target_pointer_width = "32"), ignore)]
+fn capture_index_panic_name() {
+ let re = regex!(r"^(?P<name>.+)$");
+ let cap = re.captures(t!("abc")).unwrap();
+ let _ = cap["bad name"];
+}
+
+#[test]
+fn capture_index_lifetime() {
+ // This is a test of whether the types on `caps["..."]` are general
+ // enough. If not, this will fail to typecheck.
+ fn inner(s: &str) -> usize {
+ let re = regex!(r"(?P<number>[0-9]+)");
+ let caps = re.captures(t!(s)).unwrap();
+ caps["number"].len()
+ }
+ assert_eq!(3, inner("123"));
+}
+
+#[test]
+fn capture_misc() {
+ let re = regex!(r"(.)(?P<a>a)?(.)(?P<b>.)");
+ let cap = re.captures(t!("abc")).unwrap();
+
+ assert_eq!(5, cap.len());
+
+ assert_eq!((0, 3), {
+ let m = cap.get(0).unwrap();
+ (m.start(), m.end())
+ });
+ assert_eq!(None, cap.get(2));
+ assert_eq!((2, 3), {
+ let m = cap.get(4).unwrap();
+ (m.start(), m.end())
+ });
+
+ assert_eq!(t!("abc"), match_text!(cap.get(0).unwrap()));
+ assert_eq!(None, cap.get(2));
+ assert_eq!(t!("c"), match_text!(cap.get(4).unwrap()));
+
+ assert_eq!(None, cap.name("a"));
+ assert_eq!(t!("c"), match_text!(cap.name("b").unwrap()));
+}
+
+#[test]
+fn sub_capture_matches() {
+ let re = regex!(r"([a-z])(([a-z])|([0-9]))");
+ let cap = re.captures(t!("a5")).unwrap();
+ let subs: Vec<_> = cap.iter().collect();
+
+ assert_eq!(5, subs.len());
+ assert!(subs[0].is_some());
+ assert!(subs[1].is_some());
+ assert!(subs[2].is_some());
+ assert!(subs[3].is_none());
+ assert!(subs[4].is_some());
+
+ assert_eq!(t!("a5"), match_text!(subs[0].unwrap()));
+ assert_eq!(t!("a"), match_text!(subs[1].unwrap()));
+ assert_eq!(t!("5"), match_text!(subs[2].unwrap()));
+ assert_eq!(t!("5"), match_text!(subs[4].unwrap()));
+}
+
+expand!(expand1, r"(?-u)(?P<foo>\w+)", "abc", "$foo", "abc");
+expand!(expand2, r"(?-u)(?P<foo>\w+)", "abc", "$0", "abc");
+expand!(expand3, r"(?-u)(?P<foo>\w+)", "abc", "$1", "abc");
+expand!(expand4, r"(?-u)(?P<foo>\w+)", "abc", "$$1", "$1");
+expand!(expand5, r"(?-u)(?P<foo>\w+)", "abc", "$$foo", "$foo");
+expand!(expand6, r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)", "abc 123", "$b$a", "123abc");
+expand!(expand7, r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)", "abc 123", "z$bz$az", "z");
+expand!(
+ expand8,
+ r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)",
+ "abc 123",
+ ".$b.$a.",
+ ".123.abc."
+);
+expand!(
+ expand9,
+ r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)",
+ "abc 123",
+ " $b $a ",
+ " 123 abc "
+);
+expand!(expand10, r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)", "abc 123", "$bz$az", "");
+
+split!(
+ split1,
+ r"(?-u)\s+",
+ "a b\nc\td\n\t e",
+ &[t!("a"), t!("b"), t!("c"), t!("d"), t!("e")]
+);
+split!(
+ split2,
+ r"(?-u)\b",
+ "a b c",
+ &[t!(""), t!("a"), t!(" "), t!("b"), t!(" "), t!("c"), t!("")]
+);
+split!(split3, r"a$", "a", &[t!(""), t!("")]);
+split!(split_none, r"-", r"a", &[t!("a")]);
+split!(split_trailing_blank, r"-", r"a-", &[t!("a"), t!("")]);
+split!(split_trailing_blanks, r"-", r"a--", &[t!("a"), t!(""), t!("")]);
+split!(split_empty, r"-", r"", &[t!("")]);
+
+splitn!(splitn_below_limit, r"-", r"a", 2, &[t!("a")]);
+splitn!(splitn_at_limit, r"-", r"a-b", 2, &[t!("a"), t!("b")]);
+splitn!(splitn_above_limit, r"-", r"a-b-c", 2, &[t!("a"), t!("b-c")]);
+splitn!(splitn_zero_limit, r"-", r"a-b", 0, empty_vec!());
+splitn!(splitn_trailing_blank, r"-", r"a-", 2, &[t!("a"), t!("")]);
+splitn!(splitn_trailing_separator, r"-", r"a--", 2, &[t!("a"), t!("-")]);
+splitn!(splitn_empty, r"-", r"", 1, &[t!("")]);